– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 37mm), heaviest during Tue afternoon. Very mild (max 14°C on Wed morning, min 7°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 33mm), heaviest during Sun afternoon. Very mild (max 12°C on Thu night, min 7°C on Sat afternoon). Wind will be generally light. | |||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | |  |  | | | |
mod. rain | mod. rain | heavy rain | light rain | light rain | cloudy | cloudy | cloudy | cloudy | mod. rain | light rain | light rain | rain shwrs | rain shwrs | light rain | light rain | |
Cloud base (m) | 600 | 650 | 550 | 650 | 1750 | 2000 | 5300 | 4350 | 800 | 700 | 2050 | 500 | 2050 | 650 | 1400 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 7 | 8 | 18 | 5 | 0.2 | — | — | — | — | 6 | 0.4 | 0.5 | 7 | 0.1 | 0.1 | 2 |
max °C | 8 | 9 | 10 | 12 | 14 | 14 | 12 | 14 | 14 | 12 | 12 | 11 | 9 | 9 | 7 | 7 |
min °C | 7 | 8 | 9 | 10 | 13 | 13 | 12 | 13 | 13 | 9 | 12 | 10 | 8 | 8 | 7 | 7 |
chill °C | 5 | 6 | 7 | 8 | 12 | 12 | 10 | 12 | 12 | 8 | 11 | 9 | 8 | 7 | 5 | 5 |
Freezing level m | 1750 | 2250 | 2450 | 2900 | 2800 | 2850 | 2700 | 2600 | 2700 | 2100 | 2250 | 2150 | 1950 | 1950 | 1700 | 1650 |
 | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — |
 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 37mm), heaviest during Tue afternoon. Very mild (max 14°C on Wed morning, min 7°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 33mm), heaviest during Sun afternoon. Very mild (max 12°C on Thu night, min 7°C on Sat afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.